New replacement names for the preoccupied mite genera Absentia Huang, 2001 and Venilia Kuznetsov, 1979 are proposed (Huangiella nom. nov. and Kuznetsovia nom. nov., respectively.). Fourteen further new replacement nam...New replacement names for the preoccupied mite genera Absentia Huang, 2001 and Venilia Kuznetsov, 1979 are proposed (Huangiella nom. nov. and Kuznetsovia nom. nov., respectively.). Fourteen further new replacement names are proposed for additional preoccupied generic names in the Arthropoda. These names are: Vailimia nom. nov., Millidgella nom. nov., and Nolavia nom. nov. in Araneae, Vadumasonium nom. nov. in Hymenoptera, Gridellia nom. nov., Vanstaronia nom. nov. and Veraniella nom. nov. in Coleoptera, Poletaevega nom. nov. in Trilobita, Vandelia nom. nov. in Isopoda, Gandoa nom. nov. and Vanuachela nom. nov. in Decapoda, and Crasquinia nom. nov., Oertlia nom. nov., and Soleaua nom. nov. in Ostracoda. Additionally, one new annelid replacement name, Omodeodrilus nom. nov., is proposed.展开更多
The amber sites from the Chiapas Highlands in southwestern Mexico constitute an Oligo-Miocene Amber-Lagerstätte(ca.24 Ma)whose mines and pits at Simojovel,Totolapa,and Estrella de Belén yield exceptionally p...The amber sites from the Chiapas Highlands in southwestern Mexico constitute an Oligo-Miocene Amber-Lagerstätte(ca.24 Ma)whose mines and pits at Simojovel,Totolapa,and Estrella de Belén yield exceptionally preserved fossil inclusions,notably insects from an estuarine wetland.A comprehensive cross-referenced catalog of insects and their close relatives(Arthropoda:Hexapoda)recorded in Mexican amber has been compiled.The catalog comprises 589 fossil records,including 21 orders,180 families,230 genera,and 193 species.Data show the fossil diversity of insects based on 65 years of taxonomic descriptions.The catalog also consists of an online database for consultation and permanent updating.Accordingly,the taxonomic composition of Hexapoda in Oligo-Miocene Mexican amber is a significant addition to the current knowledge of the diversity of Lagerstätte taxa distributed worldwide.展开更多
Two new genera with two new species of sawflies, Cathayxyela extensa gen. et sp. nov. and Aequixyela immensa gen. et sp. nov., from the Middle Jurassic Jiulongshan Formation of southeastern Inner Mongolia, China, are ...Two new genera with two new species of sawflies, Cathayxyela extensa gen. et sp. nov. and Aequixyela immensa gen. et sp. nov., from the Middle Jurassic Jiulongshan Formation of southeastern Inner Mongolia, China, are assigned to the subfamily Xyelinae （Hymenoptera, Xyelidae）. Cathayxyela gen. nov. can be distinguished by the third antennal article longer than the head; mesoprescutum and mesoscutellum nearly equal in length; the forewing with Sc meeting C before the junction of 1-M and 1- Rs; a weak and narrow pterostigma; and 3-Cu at least 1.5 times longer than the lm-cu. Aequixyela gen. nov. is characterized by the third antennal article nearly as long as the head; the forewing with Rs＋M approximately equal to 2-Rs in length; 2m-cu inclined toward the wing base and nearly reaching the middle of cell 3rm; lm-cu as long as the 2-Cu and 3-Cu; and the cell 2cua of regular hexagonal shape.展开更多
The Early Cretaceous Jehol biota of northeastern China contains a diverse group of notostracans, including two genera, Chenops and Jeholops, described here. Chenops is characterized by a combination of an ovate carapa...The Early Cretaceous Jehol biota of northeastern China contains a diverse group of notostracans, including two genera, Chenops and Jeholops, described here. Chenops is characterized by a combination of an ovate carapace, narrow anal plate, equant distal endites and endopod on the anterior thoracic limbs. In addition to the new species, Chenops yixianensis, the genus also provisionally includes Prolepidurus oblongus Oleynikov, 1968. Jeholops, however, is monotypic, represented by the new species Jeholops hongi. It is characterized by a combination of kazacharthran and notostracan features unique to this taxon. Both new genera are provisionally placed in the taxon Notostraca. More detailed work exploring the morphology of exceptionally-preserved branchiopod crustaceans is needed. The difficulties in placing fossil notostracans into a phylogenetie framework are discussed.展开更多
文摘New replacement names for the preoccupied mite genera Absentia Huang, 2001 and Venilia Kuznetsov, 1979 are proposed (Huangiella nom. nov. and Kuznetsovia nom. nov., respectively.). Fourteen further new replacement names are proposed for additional preoccupied generic names in the Arthropoda. These names are: Vailimia nom. nov., Millidgella nom. nov., and Nolavia nom. nov. in Araneae, Vadumasonium nom. nov. in Hymenoptera, Gridellia nom. nov., Vanstaronia nom. nov. and Veraniella nom. nov. in Coleoptera, Poletaevega nom. nov. in Trilobita, Vandelia nom. nov. in Isopoda, Gandoa nom. nov. and Vanuachela nom. nov. in Decapoda, and Crasquinia nom. nov., Oertlia nom. nov., and Soleaua nom. nov. in Ostracoda. Additionally, one new annelid replacement name, Omodeodrilus nom. nov., is proposed.
文摘The amber sites from the Chiapas Highlands in southwestern Mexico constitute an Oligo-Miocene Amber-Lagerstätte(ca.24 Ma)whose mines and pits at Simojovel,Totolapa,and Estrella de Belén yield exceptionally preserved fossil inclusions,notably insects from an estuarine wetland.A comprehensive cross-referenced catalog of insects and their close relatives(Arthropoda:Hexapoda)recorded in Mexican amber has been compiled.The catalog comprises 589 fossil records,including 21 orders,180 families,230 genera,and 193 species.Data show the fossil diversity of insects based on 65 years of taxonomic descriptions.The catalog also consists of an online database for consultation and permanent updating.Accordingly,the taxonomic composition of Hexapoda in Oligo-Miocene Mexican amber is a significant addition to the current knowledge of the diversity of Lagerstätte taxa distributed worldwide.
基金supported by the National Basic Research Program of China(973 Program)(2012CB821906)the National Natural Science Foundation of China(No.31230065,41272006)+2 种基金KEY project of the Beijing Municipal Commission of Education(KZ201310028033)Program for Changjiang Scholars and Innovative Research Team in University(IRT13081)APR,by the Presidium RAS Program"Origin of biosphere and evolution of the geo-biological system"
文摘Two new genera with two new species of sawflies, Cathayxyela extensa gen. et sp. nov. and Aequixyela immensa gen. et sp. nov., from the Middle Jurassic Jiulongshan Formation of southeastern Inner Mongolia, China, are assigned to the subfamily Xyelinae （Hymenoptera, Xyelidae）. Cathayxyela gen. nov. can be distinguished by the third antennal article longer than the head; mesoprescutum and mesoscutellum nearly equal in length; the forewing with Sc meeting C before the junction of 1-M and 1- Rs; a weak and narrow pterostigma; and 3-Cu at least 1.5 times longer than the lm-cu. Aequixyela gen. nov. is characterized by the third antennal article nearly as long as the head; the forewing with Rs＋M approximately equal to 2-Rs in length; 2m-cu inclined toward the wing base and nearly reaching the middle of cell 3rm; lm-cu as long as the 2-Cu and 3-Cu; and the cell 2cua of regular hexagonal shape.
基金supported by the National Natural Science Foundation of China(no.40872022)the Nature Science Foundation of Beijing(no.5082002)+1 种基金Scientific Research Key Program and PHR Project of Beijing Municipal Commission of Educationfunded by a Crustacean Society Denton Belk Fellowship and the Yale Peabody Museum
文摘The Early Cretaceous Jehol biota of northeastern China contains a diverse group of notostracans, including two genera, Chenops and Jeholops, described here. Chenops is characterized by a combination of an ovate carapace, narrow anal plate, equant distal endites and endopod on the anterior thoracic limbs. In addition to the new species, Chenops yixianensis, the genus also provisionally includes Prolepidurus oblongus Oleynikov, 1968. Jeholops, however, is monotypic, represented by the new species Jeholops hongi. It is characterized by a combination of kazacharthran and notostracan features unique to this taxon. Both new genera are provisionally placed in the taxon Notostraca. More detailed work exploring the morphology of exceptionally-preserved branchiopod crustaceans is needed. The difficulties in placing fossil notostracans into a phylogenetie framework are discussed.
